Question about MSI MEGA 865 (MP865P30520) PC Desktop

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PSU Cooling fan required - MSI MEGA 865 (MP865P30520) PC Desktop

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You can buy 12 volt Fan from electronics spare parts shops.Red and Black Wires Must Be Connected with same color wires in PSU.
Connect in off Mode.Shoud not connect when the power is on.Careful...

Thank u....

Posted on Feb 13, 2010

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Posted on Jan 02, 2017

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My smps fan not roatating. what happens if it is not roatating?


It may be that you PSU will overheat. It depends on the features of your PSU as to what the consequences of this are.
Some PSUs are equipped with a thermal cut-out in which case your PSU will simply turn itself off. Others will overheat, and internal damage to components will ensue, and your PSU and possibly your computer will cease to function (permanently). Your PSU may just catch fire in the worst case.
However, it may also be that your SMPS fan is thermally activated and only comes on when the PSU temperature is greater than some threshold; this is a design feature of the PSU if it is present. Some fans are equipped with a speed con troll that links the speed of the fan to temperature of the PSU. See you PSU details to determine which of the it may be. If it is a Zalman brand PSU, most likely it has a themally controlled fan. This feature also has propriety names such as "Silent Fan Technology" or "Whisper Fan"

18.April.2014

Apr 13, 2014 | Computers & Internet

1 Answer

Is a 500w power supply to much for my pc?


wattage is a measurement of power output. however wattage is not nececassrily a measure of continuous power output. wattage is a measurement of potential power output. this means on one hand if a pc is only idling the wattage of the power supply unit (psu) required to run the components might be very low. on the other hand if you have several power intensive applications running simultaneously with several different web browsers open featuring several active tabs open in each browser and you are also streaming video on the internet on one browser and downloading files while watching a movie all at the same time then the pc would probably be working near its maximum and would require near the maximum amount of available wattage from the psu. a certain amount of the psu's wattage is needed to power each of the key power consuming internal components - the cpu, the memory, the motherboard chipset and other motherboard devices, any expansion cards installed on the motherboard as well as the spinning of the hard drive, optical drive and cooling fans. the total wattage required to power all these and other internal components is an indications of the very bare total minimum power capacity that a pc will require. this means that generally the higher the wattage of the psu the more stable the overall performance of the computer islikely to be. the psu also consumes as well as delivers power due to the in-built cooling fans required to cool it by venting hot air from the back of the pc during operation. therefore as a general rule the higher the wattage of the psu, the greater the capacity of the psu to take the powering of all the internal components of the pc that require power (including the psu's own cooling fans) well within its stride.

so your friend was correct to draw your attention to the important issue of the optimisation of power consumption in a pc and ensuring that you have the correct wattage of psu to adequately and safely power the internal components of the pc. however your friend has slightly misunderstood how the psu works.

perhaps you could explain to this friend that a pc with an underpowered psu is far more likely to damage a pc's internal components than a pc with a psu of excessive wattage. In this way, both of you will have helped to enhance each other's knowledge and awareness of an important issue in the maintenance of a pc.

Nov 08, 2011 | Acer Aspire M5100 AM5100-U5313A AMD...

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Cooling fan for antec power supply pp 303xp does not come on when computer is switched on. Is this a replaceable item or do I have to buy a new power supply?


I THINK I REMEMBER reading that Antec had introduced a feature on some of their psu s where essentially the fan(s) were thermally controlled - if the psu was not working very hard it remained cool and the fan remained off but as the psu got warm with additional load it gradually increased fan speed. Perhaps this the issue you are seeing and nothing is wrong ?
PSU's are generally difficult to open and contain few accessible parts. some you can actually change the fan. I don't know about yours though.

Jan 04, 2011 | Antec PP-303XP 300WATTS ATX12V ATX POWER...

1 Answer

My fan is not running


Which fan is not running? Case fan, CPU fan, PSU fan? CPU fans will cause the computer to shutdown automatically usually with in a few seconds of boot. If it isn't running at all, simply replace it. They are measured in milometers 40, 60 , 80, 90, 120 and some 200mm form factors. Just replace with the same size fan size and you should be up and running again.
Comment if you need more help.

Aug 14, 2010 | Dell (6F858) Cooling Fan

1 Answer

122 fatal error on c5500


Power Supply Fan Motor Error

When low-voltage PSU thermal error or a malfunction of fuser ventilation fan (PX713 only)/PSU cooling fan has been detected. Unplug the printer from the power source, wait one moniute, then plug unit back in and restart.

Seek attention of service person if restarting the printer does not correct the problem

Dec 08, 2009 | OKI C5500n Laser Printer

2 Answers

Dell PE1800 psu wont swith off...Computer powers down but psu fan continues to run. Have to pull the power plug to shut it down.


Sounds like the PSU is overheating. Some PSU's are designed to keep the fan running to cool it down even after system shut down. I would let the fan run after shutdown to see how long it takes to shut itself off. If there are no environmental issues tat are causing overheating you might want to consider replacing the PSU.

Sep 13, 2009 | Dell PowerEdge 1800 Server

1 Answer

Old PSU fan lying around.....


Fan voltage must be the same as the one you want to connect it to

Apr 15, 2009 | Intel (8W501B1M3G) CPU Fan, CPU Cooling...

1 Answer

Need more Watts to run Larger Graphics card & Exhaust Fan


1. Visit this website.
2. In the search field type in: PC Power & Cooling.
3. Press Go.
4. On the left under the, "Manufacturer" menu select, "PC Power & Cooling."
5. Find a Power-supply-unit which will work for you.

One hint, try to find a PSU that has a 20+4 main connector. That way if your motherboard has a 20 pin connector your PSU will be compatible. I highly recommend you buy a non-modular PSU, they are more reliable.

The reason I am having you look at PC Power & Cooling products is because they make the most efficient and reliable single-rail PSUs on the market today. Yes, they're more expensive. However I would rather buy something more expensive than blow up my system with a cheap PSU which will only hold out about a year.

Let me know if I can help you further. (If this solved your problem, please rate the solution.)

Mar 20, 2009 | E-Machines Bestec ATX-300-12E Rev. D 300w...

3 Answers

Hardware monitor found an error


Diagnosis: Lack of P.S.U. fan speed report indicates P.S.U. fan sensor damaged by overheating. This was caused by cooling fin blockage since the Sony design on this model cools the C.P.U. THROUGH the P.S.U.
Expert level fix: Remove P.S.U. Remove C.P.U. fan and vacuum. Remove C.P.U. cooling fins from C.P.U. and cooling fan mounts from fin box, vacuum. Reassemble C.P.U cooling system. Replace P.S.U. with O.E.M. part only since in this case it is proprietary to the unit.

Jul 31, 2008 | Computers & Internet

1 Answer

CPU fan does not stay on


Sounds like either the PSU or a part (CPU) on the motherboard overheated and fried.
How do you know that the PSU is good? Did you take it out and try it in another computer? If not I would try a new power supply first.

Dec 27, 2007 | Global Win K7 T.Bird Socket 462 Cooling...

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